void computeSize(Control control, int wHint, int hHint, boolean flushCache) {
if (cacheWidth != -1 && cacheHeight != -1) return;
if (wHint == this.widthHint && hHint == this.heightHint) {
if (defaultWidth == -1
|| defaultHeight == -1
|| wHint != defaultWhint
|| hHint != defaultHhint) {
Point size = control.computeSize(wHint, hHint, flushCache);
defaultWhint = wHint;
defaultHhint = hHint;
defaultWidth = size.x;
defaultHeight = size.y;
}
cacheWidth = defaultWidth;
cacheHeight = defaultHeight;
return;
}
if (currentWidth == -1
|| currentHeight == -1
|| wHint != currentWhint
|| hHint != currentHhint) {
Point size = control.computeSize(wHint, hHint, flushCache);
currentWhint = wHint;
currentHhint = hHint;
currentWidth = size.x;
currentHeight = size.y;
}
cacheWidth = currentWidth;
cacheHeight = currentHeight;
}
Point minimumSize(int wHint, int hHint, boolean flushCache) {
Control[] children = _getChildren();
int width = 0, height = 0;
for (int i = 0; i < children.length; i++) {
Control child = children[i];
int index = 0;
int count = 0;
long /*int*/ list = OS.gtk_container_get_children(handle);
if (list != 0) {
count = OS.g_list_length(list);
OS.g_list_free(list);
}
while (index < count) {
if (items[index].control == child) break;
index++;
}
if (index == count) {
Rectangle rect = child.getBounds();
width = Math.max(width, rect.x + rect.width);
height = Math.max(height, rect.y + rect.height);
} else {
Point size = child.computeSize(wHint, hHint, flushCache);
width = Math.max(width, size.x);
height = Math.max(height, size.y);
}
}
return new Point(width, height);
}
protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) {
CTabFolder folder = (CTabFolder) composite;
CTabItem[] items = folder.items;
CTabFolderRenderer renderer = folder.renderer;
// preferred width of tab area to show all tabs
int tabW = 0;
int selectedIndex = folder.selectedIndex;
if (selectedIndex == -1) selectedIndex = 0;
GC gc = new GC(folder);
for (int i = 0; i < items.length; i++) {
if (folder.single) {
tabW =
Math.max(tabW, renderer.computeSize(i, SWT.SELECTED, gc, SWT.DEFAULT, SWT.DEFAULT).x);
} else {
int state = 0;
if (i == selectedIndex) state |= SWT.SELECTED;
tabW += renderer.computeSize(i, state, gc, SWT.DEFAULT, SWT.DEFAULT).x;
}
}
tabW += 3;
if (folder.showMax)
tabW +=
renderer.computeSize(
CTabFolderRenderer.PART_MAX_BUTTON, SWT.NONE, gc, SWT.DEFAULT, SWT.DEFAULT)
.x;
if (folder.showMin)
tabW +=
renderer.computeSize(
CTabFolderRenderer.PART_MIN_BUTTON, SWT.NONE, gc, SWT.DEFAULT, SWT.DEFAULT)
.x;
if (folder.single)
tabW +=
renderer.computeSize(
CTabFolderRenderer.PART_CHEVRON_BUTTON, SWT.NONE, gc, SWT.DEFAULT, SWT.DEFAULT)
.x;
if (folder.topRight != null) {
Point pt = folder.topRight.computeSize(SWT.DEFAULT, folder.tabHeight, flushCache);
tabW += 3 + pt.x;
}
gc.dispose();
int controlW = 0;
int controlH = 0;
// preferred size of controls in tab items
for (int i = 0; i < items.length; i++) {
Control control = items[i].getControl();
if (control != null && !control.isDisposed()) {
Point size = control.computeSize(wHint, hHint, flushCache);
controlW = Math.max(controlW, size.x);
controlH = Math.max(controlH, size.y);
}
}
int minWidth = Math.max(tabW, controlW);
int minHeight = (folder.minimized) ? 0 : controlH;
if (minWidth == 0) minWidth = CTabFolder.DEFAULT_WIDTH;
if (minHeight == 0) minHeight = CTabFolder.DEFAULT_HEIGHT;
if (wHint != SWT.DEFAULT) minWidth = wHint;
if (hHint != SWT.DEFAULT) minHeight = hHint;
return new Point(minWidth, minHeight);
}
